Finding the Fourth Proportional to 105,112.28, 157,695.05 and 30,230.82

Step by Step Solution

1. Step 1: Write the proportion equation
   105,112.28 : 157,695.05 = 30,230.82 : x
2. Step 2: Convert to fraction form
   105,112.28/157,695.05 = 30,230.82/x
3. Step 3: Cross multiply
   105,112.28x = 157,695.05 × 30,230.82
4. Step 4: Simplify right side
   105,112.28x = 4,767,250,747.02
5. Step 5: Solve for x
   x = 4,767,250,747.02/105,112.28
6. Step 6: Final answer
   x = 45,353.89